Thursday and Friday

June 22th & 23rd, 2023

8:30 am-3:30 pm MST


Registration Fee $525.00 per person

$500.00 each for groups of four or more (must register individually)

Note: A large classrom manipulatives set and all materials and extensive materials are included in the cost of the course.

Check or credit card accepted

Cancellation Policy:

There is a $50. cancellation free before June 1st, after that date transfers are allowed but money will not be refunded.

Paying by purchase order? 
Register each participant separately using the "pay by check" option and follow registration instructions on the form.

Certificate of Attendance 


Centennial Academy of Fine Arts

3306 W Berry Ave, Littleton, CO 80123


Elenn Steinberg, Director
Orton Gillingham International, Inc. 


Yoshimoto OG Multisensory Math
Math can be an area of difficulty for many students and particularly those with dyslexia.  This 2-day training will discuss problems that students have in mathematics and then focus on multi-sensory strategies using manipulatives to teach addition, subtraction, multiplication, and division with some fraction work. The emphasis of this math program is conceptual understanding as opposed to rote learning. This program can be used for remediation, instruction for mainstream students and for enrichment.

See how you can “build” multiplication problems, teach algebra in kindergarten using manipulatives, and draw a division problem. This training is for people who are “open” to teaching mathematics in a different waymultisensory, structured, visual, and conceptually oriented.

 This class is designed within the framework for teaching mathematics by National Council of Teachers of Mathematics (NCTM) and National Math Panel and addresses the following concepts:

  • From concrete or manipulatives to semi-abstract or drawing to abstract.

  • Teaching patterns/other skills such as auditory sequential memory, etc.

  • Addition: simple addition, I want to be a ten or regrouping, and commutative property of addition.

  • Solving for missing addends and solving for x variable for kindergarten

  • Subtraction: owing and having (extension to negative and positive numbers), regrouping.

  • Multiplication:  counting a number a certain number of times; skip counting, building and drawing multiplication problems, regrouping, and transition to traditional.

  • Division: how many times is a number contained in another number; build/drawing division problems & regrouping.

  • Money and time skills.

  • Understand the Characteristics of dyscalculia.

Note: All training course materials, including a manipulative set, are included in the cost of the course.

Ron Yoshimoto - Multi-Sensory Math Program Designer

Ron Yoshimoto, M.Ed, M.S.W., Fellow of AOGPE,  is a Fellow of the Academy of Orton-Gillingham (OGA) Practitioners and Educators. He has more than 30 years of experience in the fields of social work, education and dyslexia. He has been a social worker, counselor, teacher, educational diagnostician, principal, consultant and teacher trainer. Ron served as principal of ASSETS School, a private school for students with dyslexia and gifted children, for 18 years. Currently, he is employed as a consultant for Hawaii’s Department of Education. He also is director of OG therapy centers in Singapore and Hong Kong. A master trainer, he trains in Hawaii, Singapore, Hong Kong, Malaysia, Canada, and the continental U.S. He is a former president of the Hawaii Branch of International Dyslexia Association and vice-president of the Academy of Orton-Gillingham Practitioners. 

Ron Yoshimoto is the  Master OGI Instructor. Ron has focused his expertise on developing the OG methodology for training public school teachers in the general and special education environments using OG, OG Advanced methodology, preschool literacy/numeracy, focused intervention, reading comprehension strategy (called “Connections”) and multisensory math. Ron's life has been dedicated to teaching Orton-Gillingham to both general and special education audiences for the past 30+ years.